Home / 33,303.39-45,979.18-21,387.73

Finding the Fourth Proportional to 33,303.39, 45,979.18 and 21,387.73

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Solution

The fourth proportional to 33,303.39, 45,979.18 and 21,387.73 is: 29,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,303.39 : 45,979.18 = 21,387.73 : x
  2. Step 2: Convert to fraction form
    33,303.39/45,979.18 = 21,387.73/x
  3. Step 3: Cross multiply
    33,303.39x = 45,979.18 × 21,387.73
  4. Step 4: Simplify right side
    33,303.39x = 983,390,287.46
  5. Step 5: Solve for x
    x = 983,390,287.46/33,303.39
  6. Step 6: Final answer
    x = 29,528.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.